On Thu, 16 Aug 2007, Jon Smirl wrote: > On 8/16/07, Nicolas Pitre <nico@xxxxxxx> wrote: > > On Thu, 16 Aug 2007, David Kastrup wrote: > > > If I understand correctly, delta indices > > > for the search window are kept, and the current file is compared > > > against them. Locality might be better if just one delta index gets > > > calculated and then compared with all _upcoming_ delta candidates in > > > one go. > > > > This appears so obvious that I attempted that a while ago already. > > > > The idea turned up to be so complex to implement correctly and produced > > suboptimal results in practice that I abandoned it. > > In practice it doesn't really matter what you do. Most developers have > a decent amount of RAM. Disks run at 50MB/sec or more. The entire pack > file ends up in the kernel disk cache within a few seconds. > > Turning the twenty minute delta search into 6-7 minutes is a much more > obvious win. And your point in relation with what was just said is ? Nicolas - To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
